











From the four circuits shown, 'in which two will the bulbs be the same brightness'? Note that the bulbs are identical and the batteries identical. [7j-13]
From the four circuits shown, 'in which will the bulb or bulbs be the dimmest'? Note that the bulbs are identical and the batteries identical. [7j-14]
From the four circuits shown, 'in which will the bulb or bulbs be the brightest'? Note that the bulbs are identical and the batteries identical. [7j-15]
From the four circuits shown, in which two 'will the lamps be the same brightness'? Note that the bulbs are identical and the batteries identical. [7j-16]
From the four circuits shown, which will have 'the brightest lit lamp or lamps'? Note that the bulbs are identical and the batteries identical. [7j-17]
From the four circuits shown, which will have 'the dimmest lit bulb or bulbs'? Note that the bulbs are identical and the batteries identical. [7j-18]
From the four circuits shown, in which two 'will the lamps be the same brightness'?
From the four circuits shown, which will have 'the brightest lit bulb or bulbs'? Note that the bulbs are identical and the batteries identical. [7j-20]
From the four circuits shown, which will have 'the dimmest lit bulb or bulbs'? Note that the bulbs are identical and the batteries identical. [7j-21]







